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a section of a rat brain is imaged in dull green. a much brighter green human organoid takes up a large portion of the left side of the brain.
Researchers Transplant Human Neurons into Rat Brains
The human cells, engineered to respond to blue light, influenced rat behavior when stimulated.
Researchers Transplant Human Neurons into Rat Brains
Researchers Transplant Human Neurons into Rat Brains

The human cells, engineered to respond to blue light, influenced rat behavior when stimulated.

The human cells, engineered to respond to blue light, influenced rat behavior when stimulated.

animal testing

commercial airplane<br><br>
Air France Announces End to Research Monkey Transport
Andy Carstens | Jul 6, 2022 | 2 min read
The shift is likely to add to an ongoing shortage of primates used in labs, which could slow progress in future COVID-19 vaccine development and other areas.
beagle
Research Beagle Facility Ordered to Clean Up, Halt Breeding
Andy Carstens | Jun 20, 2022 | 2 min read
A federal judge ruled that Envigo can finalize the sales for 500 of its remaining 3,000 research dogs, but it needs to improve the safety and health of the animals remaining at its facilities while federal officials decide their fate.
FDA Now Allows Certain Lab Animals to Be Retired and Adopted
Lisa Winter | Feb 11, 2020 | 2 min read
Current bills in Congress would apply similar provisions to all federal agencies.
a close-up of a monkey's face
German Lab Faces Criminal Charges After Undercover Investigation
Shawna Williams | Oct 16, 2019 | 2 min read
Video taken at the Laboratory of Pharmacology and Toxicology contract testing facility appears to show mistreatment of monkeys, dogs, and cats.
EPA Aims to Drastically Reduce Animal Testing
Emily Makowski | Sep 11, 2019 | 2 min read
The agency plans to stop funding virtually all toxicology studies in mammals by 2035.
AI mice in labs
Opinion: AI Beats Animal Testing at Finding Toxic Chemicals
Thomas Hartung | May 1, 2019 | 3 min read
Machine learning could be the key to reducing the use of animals in experiments.
a beagle in a cage
Humane Society Successfully Campaigns to End Pesticide Test on Dogs
Shawna Williams | Apr 8, 2019 | 3 min read
After the release of an undercover investigation, Corteva Agrisciences announces it will release 36 beagles for rehoming.
Swiss Researchers Struggle to Get Animal Experiments Approved
Diana Kwon | Jan 8, 2019 | 6 min read
Scientists say that increasingly rigorous licensing procedures have complicated research efforts—and in some cases, stopped experiments completely.
Lab Animal Use in the UK Dips Below 2010 Levels
Katarina Zimmer | Jul 27, 2018 | 3 min read
A report finds a decline in the number of experiments involving animals in 2017, noting a particular decrease in procedures on dogs and primates.
Software-Based Chemical Screen Could Minimize Animal Testing
Anna Azvolinsky | Jul 13, 2018 | 4 min read
Researchers develop a machine-learning tool for toxicity analyses that is more consistent in predicting chemical hazards than assays on animals.
US Scientistsā€™ Letter Calls for Transparency in Animal Research
Ashley Yeager | Jun 21, 2018 | 2 min read
Nearly 600 signatories, including four Nobel Prize winners, urge openness about animal experiments.
USDA to Warn Some Facilities Ahead of Animal Welfare Inspections
Jim Daley | May 18, 2018 | 2 min read
A pilot program announced last month will consider combining announced and surprise inspections.
Animals Start New Lives After Time in the Lab
Ashley Yeager | Mar 16, 2018 | 5 min read
Scientists and others have been opening their homes to research animals after the studies conclude, with legislation in some states now mandating adoption.
Opinion: Label Drugs That Are Tested on Animals
Shaun Khoo | Jan 15, 2018 | 2 min read
Transparency about the role of animals in drug development could help raise awareness of and appreciation for preclinical research.
Investigation Questions Transparency for Failed TB Vax
Jef Akst | Jan 11, 2018 | 2 min read
The BMJ inquiry finds that researchers presented only select results from animal experiments when applying for funding and approval for human trials.
UK Researchers Used Fewer Animals Last Year
Bob Grant | Jul 13, 2017 | 2 min read
Experiments involving animals dropped by more than 200,000, or 5 percent, in 2016.
Project Seeks to Improve Image of Animal Research
Kerry Grens | Sep 11, 2016 | 2 min read
A new initiative in Germany aims to increase the public’s comfort with animal-based science; US government holds workshop on nonhuman primate research.
Will Organs-in-a-Dish Ever Replace Animal Models?
Tanya Lewis | Jul 19, 2016 | 4 min read
Increasingly sophisticated tissue organoids can model many aspects of disease, but animal studies retain a fundamental role in research, scientists say. 
Antibodies Prevent HIV Infection in Monkeys
Jef Akst | Apr 29, 2016 | 2 min read
Infusing anti-HIV antibodies provides macaques with protection against infection for up to six months, according to a study.
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